Send GMail From the Windows Command-Line with MailWrench

Originally published on: Sun, 13 Feb 2011.

Google's GMail service allows e-mail to be sent using an SMTPS ( SMTP over SSL ) interface.

Sending GMail via the Windows command-line requires a command-line mailer with SMTPS support. My commercial MailWrench utility is one such program. ( see: http://www.mailwrench.com ... )

The GMail SMTPS service listens at port 587 on the server smtp.gmail.com. To configure MailWrench to send mail using GMail, create a text file that we'll just name m.cfg and add the following configuration lines:

-ssl -smtp smtp.gmail.com -port 587 -id your_id@gmail.com -password your_password

The MailWrench command-line you would then use to send a simple message would be something like the following:

MailWrench @m.cfg -to some_id@someserver.kom -msg "Hello!" -s "Testing!"

Note that any of the options specified in the file m.cfg could have been specified on the command-line itself. The ".cfg" files are intended to be used to contain options that rarely change when sending e-mails.

Note that since GMail does not allow arbitrary attachments, any file you attach must be one of the permissible attachment types ( word-processor documents, spreadsheets, images,audio, ...etc. ) Your e-mail may not process properly if you send other file types.

To attach the image file test.png to the above e-mail, add the parameters -a test.png to the above command-line. The new command-line should look like the folllowing:

MailWrench @m.cfg -to some_id@someserver.kom -msg "Hello!" -s "Testing!" -a test.png

Command-line text in these examples is Copyright ©2011 by James K. Lawless under the MIT/X11 open-source license so that they can be freely re-used. See http://www.mailsend-online.com/license.php for the full license text. All other text entries are Copyright ©2011 by James K. Lawless.

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